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Coating fluid for forming undercoat layer and electrographic photoreceptor having undercoat layer formed by applying said coating fluid
Coating fluid for forming undercoat layer and electrographic photoreceptor having undercoat layer formed by applying said coating fluid
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机译:用于形成底涂层的涂布液和具有通过涂布所述底涂液而形成的底涂层的电子照相感光体
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摘要
Electrophotographic photoreceptor capable of forming a high quality image in various environments, with which image defects such as black spots or color spots hardly occur, an image forming apparatus using such a photoreceptor, and an electrophotographic cartridge using such a photoreceptor.;The electrophotographic photoreceptor comprises an electroconductive substrate, an undercoat layer containing a binder resin and metal oxide particles having a refractive index of at least 2.0 formed on the electroconductive substrate, and a photosensitive layer formed on the undercoat layer, characterized by satisfying the following (1) or (2):(1) the ratio of the specular reflection of the undercoat layer calculated as a thickness of 2 µm to a light having a wavelength of 480 nm, to the specular reflection of the electroconductive substrate to a light having a wavelength of 480 nm, is at least 50%, or(2) the ratio of the specular reflection of the undercoat layer calculated as a thickness of 2 um to a light having a wavelength of 400 nm, to the specular reflection of the electroconductive substrate to a light having a wavelength of 400 nm, is at least 50%.
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